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  • Products
    • DESIGN EXCELLENCE
      • Digital Design and Signoff
        • PRODUCT CATEGORIES
          • Logic Equivalence Checking
          • SoC Implementation and Floorplanning
          • Functional ECO
          • Low-Power Validation
          • Synthesis
          • Power Analysis
          • Constraints and CDC Signoff
          • Silicon Signoff and Verification
          • Library Characterization
          • Test
        • FEATURED PRODUCTS
          • Genus Synthesis Solution
          • Conformal Smart LEC
          • Innovus Implementation System
          • Tempus Timing Signoff Solution
          • Pegasus Verification System
          • RESOURCES
          • Flows
      • Custom IC / Analog / RF Design
        • PRODUCT CATEGORIES
          • Circuit Design
          • Circuit Simulation
          • Layout Design
          • Layout Verification
          • Library Characterization
          • RF / Microwave Solutions
        • FEATURED PRODUCTS
          • Spectre X Simulator
          • Virtuoso RF Solution
          • Virtuoso Layout Suite
          • Virtuoso ADE Product Suite
          • Virtuoso Advanced Node
          • Voltus IC Power Integrity Solution
          • RESOURCES
          • Flows
      • System Design and Verification
        • PRODUCT CATEGORIES
          • Debug Analysis
          • Emulation
          • Formal and Static Verification
          • FPGA-Based Prototyping
          • Planning and Management
          • Simulation
          • Software-Driven Verification
          • Verification IP
          • System-Level Verification IP
        • FEATURED PRODUCTS
          • vManager Verification Management
          • JasperGold Formal Verification Platform
          • Xcelium Logic Simulation
          • Palladium Z1 Enterprise Emulation Platform
          • Protium X1 Enterprise Prototyping Platform
          • System VIP
          • RESOURCES
          • Flows
      • IP
        • PRODUCT CATEGORIES
          • Interface IP
          • Denali Memory IP
          • Tensilica Processor IP
          • Analog IP
          • System / Peripherals IP
          • Verification IP
      • IC Package Design and Analysis
        • PRODUCT CATEGORIES
          • Cross-Platform Co-Design and Analysis
          • IC Package Design
          • SI/PI Analysis
          • SI/PI Analysis Point Tools
          • Flows
    • SYSTEM INNOVATION
      • System Analysis
        • PRODUCT CATEGORIES
          • Electromagnetic Solutions
          • RF / Microwave Design
          • Thermal Solutions
        • FEATURED PRODUCTS
          • Clarity 3D Solver
          • Clarity 3D Transient Solver
          • Celsius Thermal Solver
          • Sigrity Advanced SI
          • Sigrity Advanced PI
          • RESOURCES
          • System Analysis Resources Hub
      • Embedded Software
      • PCB Design and Analysis
        • PRODUCT CATEGORIES
          • Design Authoring
          • PCB Layout
          • Library and Design Data Management
          • Analog/Mixed-Signal Simulation
          • SI/PI Analysis
          • SI/PI Analysis Point Tools
          • RF / Microwave Design
          • Augmented Reality Lab Tools
        • FEATURED PRODUCTS
          • Allegro Package Designer Plus
          • Allegro PCB Designer
          • RESOURCES
          • What's New in Allegro
          • What's New in Sigrity
          • Advanced PCB Design & Analysis Resources Hub
          • Flows
    • PERVASIVE INTELLIGENCE
      • AI / Machine Learning
      • AI IP Portfolio
    • CADENCE CLOUD
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        • AI / Machine Learning
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LDE Electrical Analyzer

Electrical DFM analysis and optimization

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Key Benefits

  • Integrated Virtuoso LDE option accelerates the convergence of custom analog designs
  • Quantify the impact on timing and leakage of LDE on standard cell libraries
  • Include LDE from cell context in timing analysis and signoff to increase accuracy

The Cadence® LDE Electrical Analyzer helps designers identify, analyze, and minimize the effect of parametric issues associated with manufacturing variability to improve design performance.

LDE Electrical Analyzer is a complete and silicon-correlated electrical design-for-manufacturing (DFM) analyzer that allows you to optimize and control the impact of layout-dependent effects (LDEs), such as stress or well proximity effects (WPEs), on design performance. This tool plugs directly into your existing flows for custom analog, IP, and cell-based digital designs, helping you accelerate timing closure.

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LDE Electrical Analyzer leverages the traditional foundry enablement, such as SPICE models, along with a dedicated LDE engine to extract device variability caused by LDEs. The tool integrates the LDE variability into most custom, library, and chip design flows:

 

  • Virtuoso® LDE Analyzer option: LDE Electrical Analyzer is available as an option within the Virtuoso Analog Design Environment or Virtuoso Layout Suite. Custom analog designers leverage the LDE Electrical Analyzer integrated in the Virtuoso environment for early detection of the LDE impact on design performance, device electrical properties, and device matching.
  • Using the LDE Electrical Analyzer’s standalone library analysis framework, standard cell library designers and users can quantify the impact on timing and leakage of LDE created by cell neighbors, and optimize characterization conditions and design margins
  • With LDE Electrical Analyzer, you can increase the accuracy of your timing analysis and signoff by including LDE from cell contexts
Features
  • Virtuoso LDE Analyzer option: For custom analog designers, the Virtuoso LDE Analyzer option in the Virtuoso ADE Product Suite and Virtuoso Layout Suite helps to accelerate design convergence, reduce the post-layout iteration, and reduce sensitivity to LDE with the following features:
    • LDE-Aware Simulation: Allows you to detect early on the LDE impact by creating a simulation netlist with LDE from a layout that does not need to be LVS clean or even fully placed
    • LDE Electrical Constraints: Enables the early detection of mismatch due to LDE, without having to complete the layout or run simulation
    • Layout LDE Analysis: Flags large variations in transistor electrical characteristics (idsat, Vth, etc.) between schematic assumptions and actual layout
    • Contribution Guidelines: For each violation reported by the layout LDE analysis, a report on the contribution of each LDE is provided to help you understand the root cause of the variation
    • LDE Fixing Guidelines: LDE analysis also reports actionable layout modifications, that when implemented, reduce the LDE impact on transistor electrical characteristics
  • Standard-cell library designers and users leverage the library LDE analysis framework to quantify, reduce, and characterize the LDE impact on standard-cell electrical performance:
    • Quantify variability in timing and leakage created by LDE from standard cell context
    • Identify and quantify source of variation to help layout optimization and reduce impact of LDE on standard-cell electrical performance
    • Optimize context selection for characterization; worst/best case context can be exported to Liberate™ tool or another characterization solution
    • Generate cell contexts and place via on pins for early printability litho checks
  • LDE Electrical Analyzer improves timing signoff accuracy by integrating LDE from the context on standard-cell delay in the timing analysis and signoff checks in Innovus™ Implementation System and Tempus™ Timing Signoff Solution:
    • Context-aware critical path analysis in designs extracts context LDE effects on critical paths. Calculates, using SPICE-level simulation, instance-derating factor for back-annotation to timing signoff engine
    • Cell context analysis in a design checks variability spread of critical cells, such as clock buffers using the context of the actual design, making sure it’s within margin or identifying the cells exceeding maximum variability threshold

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TRAINING COURSES

In-Design DFM Adoption to Improve Efficiency

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Li-Fu Change from SMIC talks about the DFM solution

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  • Cadence Custom/AMS Flow Certified for Samsung 5LPE Process Technology 10/17/2019

  • Cadence Achieves EDA Certification for TSMC 5nm and 7nm+ FinFET Process Technologies to Facilitate Mobile and HPC Design Creation 10/01/2018

  • Cadence Collaborates with TSMC to Advance 5nm and 7nm+ Mobile and HPC Design Innovation 05/01/2018

  • Cadence Collaborates with TSMC to Advance 7nm FinFET Plus Design Innovation 09/11/2017

  • Cadence Reference Flow with Digital and Signoff Tools Certified on Samsung’s 10nm Process Technology 10/24/2016

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To meet our time-to-market goals, DFM solutions at 28nm need to deliver low cost of ownership, accurate silicon predictability, and high performance.

S.C. Chien, Vice President of IP and Design Support Division, UMC

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